<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Qwt User&#39;s Guide: qwt_spline.cpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td id="projectalign" style="padding-left: 0.5em;">
   <div id="projectname">Qwt User&#39;s Guide
   &#160;<span id="projectnumber">6.2.0</span>
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.1 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
  initMenu('',true,false,'search.php','Search');
  $(document).ready(function() { init_search(); });
});
/* @license-end */</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
      <div id="nav-sync" class="sync"></div>
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('qwt__spline_8cpp_source.html',''); initResizable(); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="headertitle">
<div class="title">qwt_spline.cpp</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;qwt_spline.h&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &quot;qwt_spline_parametrization.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &quot;qwt_spline_polynomial.h&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_bezier.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;qpainterpath.h&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">namespace </span>QwtSplineC1P</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;{</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    <span class="keyword">struct </span>param</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    {</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;        param( <span class="keyword">const</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* p ):</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;            parameter( p )</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        {</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;        }</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2 )<span class="keyword"> const</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;            <span class="keywordflow">return</span> parameter-&gt;valueIncrement( p1, p2 );</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        }</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        <span class="keyword">const</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* parameter;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    };</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    <span class="keyword">struct </span>paramY</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    {</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2 )<span class="keyword"> const</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#ab5014b377c1f5f945cd7062109728d41">QwtSplineParametrization::valueIncrementY</a>( p1, p2 );</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        }</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    };</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keyword">struct </span>paramUniform</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2 )<span class="keyword"> const</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#a4ec70cdb3d4c1b53628ef516e93390ec">QwtSplineParametrization::valueIncrementUniform</a>( p1, p2 );</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        }</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    };</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keyword">struct </span>paramCentripetal</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    {</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2 )<span class="keyword"> const</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#a141e850c0e8da729dada0870041c265b">QwtSplineParametrization::valueIncrementCentripetal</a>( p1, p2 );</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        }</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    };</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="keyword">struct </span>paramChordal</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    {</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2 )<span class="keyword"> const</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#a02659178ea5377ec5e13d71858456200">QwtSplineParametrization::valueIncrementChordal</a>( p1, p2 );</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        }</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    };</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160; </div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    <span class="keyword">struct </span>paramManhattan</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    {</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2 )<span class="keyword"> const</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#aacfc92b2d904b9644e1e0f4fc77fd7a2">QwtSplineParametrization::valueIncrementManhattan</a>( p1, p2 );</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    };</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160; </div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <span class="keyword">class </span>PathStore</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    {</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;      <span class="keyword">public</span>:</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> init( <span class="keywordtype">int</span> size )</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        {</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;            Q_UNUSED(size);</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        }</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> start( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> y1 )</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        {</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;            path.moveTo( x1, y1 );</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        }</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> addCubic( <span class="keywordtype">double</span> cx1, <span class="keywordtype">double</span> cy1,</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;            <span class="keywordtype">double</span> cx2, <span class="keywordtype">double</span> cy2, <span class="keywordtype">double</span> x2, <span class="keywordtype">double</span> y2 )</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        {</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;            path.cubicTo( cx1, cy1, cx2, cy2, x2, y2 );</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        }</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> end()</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        {</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;            path.closeSubpath();</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        }</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160; </div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        QPainterPath path;</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    };</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keyword">class </span>ControlPointsStore</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    {</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;      <span class="keyword">public</span>:</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <span class="keyword">inline</span> ControlPointsStore():</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;            m_cp( NULL )</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        {</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        }</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160; </div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> init( <span class="keywordtype">int</span> size )</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        {</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            controlPoints.resize( size );</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;            m_cp = controlPoints.data();</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        }</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160; </div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> start( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> y1 )</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        {</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            Q_UNUSED( x1 );</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;            Q_UNUSED( y1 );</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        }</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> addCubic( <span class="keywordtype">double</span> cx1, <span class="keywordtype">double</span> cy1,</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;            <span class="keywordtype">double</span> cx2, <span class="keywordtype">double</span> cy2, <span class="keywordtype">double</span> x2, <span class="keywordtype">double</span> y2 )</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        {</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;            Q_UNUSED( x2 );</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            Q_UNUSED( y2 );</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;            QLineF&amp; l = *m_cp++;</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;            l.setLine( cx1, cy1, cx2, cy2 );</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        }</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> end()</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        {</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;        }</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160; </div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        <a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a> controlPoints;</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;      <span class="keyword">private</span>:</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        QLineF* m_cp;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    };</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160; </div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="keywordtype">double</span> slopeBoundary( <span class="keywordtype">int</span> boundaryCondition, <span class="keywordtype">double</span> boundaryValue,</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2, <span class="keywordtype">double</span> slope1 )</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    {</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> dx = p2.x() - p1.x();</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> dy = p2.y() - p1.y();</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160; </div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        <span class="keywordtype">double</span> m = 0.0;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        <span class="keywordflow">switch</span>( boundaryCondition )</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        {</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;            <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba94d03f64008ad0ed1e2e92bd96414028">QwtSpline::Clamped1</a>:</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;            {</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                m = boundaryValue;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;            }</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;            <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba43442b0f55b141b857d6c2ab56cd9afe">QwtSpline::Clamped2</a>:</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;            {</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">double</span> c2 = 0.5 * boundaryValue;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">double</span> c1 = slope1;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160; </div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;                m = 0.5 * ( 3.0 * dy / dx - c1 - c2 * dx );</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;            }</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;            <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3">QwtSpline::Clamped3</a>:</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;            {</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">double</span> c3 = boundaryValue / 6.0;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;                m = c3 * dx * dx + 2 * dy / dx - slope1;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            }</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;            <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba6ad4241cc59f456d77eb70b289e5782a">QwtSpline::LinearRunout</a>:</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;            {</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">double</span> s = dy / dx;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">double</span> r = qBound( 0.0, boundaryValue, 1.0 );</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160; </div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;                m = s - r * ( s - slope1 );</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            }</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;            <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;            {</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                m = dy / dx; <span class="comment">// something</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;            }</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;        }</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160; </div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        <span class="keywordflow">return</span> m;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    }</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;}</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160; </div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;<span class="keyword">template</span>&lt; <span class="keyword">class</span> SplineStore &gt;</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> SplineStore qwtSplineC1PathParamX(</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_spline_c1.html">QwtSplineC1</a>* spline, <span class="keyword">const</span> QPolygonF&amp; points )</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;{</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160; </div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> m = spline-&gt;<a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( points );</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    <span class="keywordflow">if</span> ( m.size() != n )</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        <span class="keywordflow">return</span> SplineStore();</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160; </div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    <span class="keyword">const</span> QPointF* pd = points.constData();</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span>* md = m.constData();</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160; </div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    SplineStore store;</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    store.init( m.size() - 1 );</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    store.start( pd[0].x(), pd[0].y() );</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160; </div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; n - 1; i++ )</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    {</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> dx3 = ( pd[i + 1].x() - pd[i].x() ) / 3.0;</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160; </div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        store.addCubic( pd[i].x() + dx3, pd[i].y() + md[i] * dx3,</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;            pd[i + 1].x() - dx3, pd[i + 1].y() - md[i + 1] * dx3,</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;            pd[i + 1].x(), pd[i + 1].y() );</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;    }</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160; </div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    <span class="keywordflow">return</span> store;</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;}</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160; </div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="keyword">template</span>&lt; <span class="keyword">class</span> SplineStore &gt;</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> SplineStore qwtSplineC1PathParamY(</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_spline_c1.html">QwtSplineC1</a>* spline, <span class="keyword">const</span> QPolygonF&amp; points )</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;{</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160; </div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    QPolygonF pointsFlipped( n );</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; n; i++ )</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    {</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        pointsFlipped[i].setX( points[i].y() );</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;        pointsFlipped[i].setY( points[i].x() );</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    }</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160; </div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> m = spline-&gt;<a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( pointsFlipped );</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    <span class="keywordflow">if</span> ( m.size() != n )</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;        <span class="keywordflow">return</span> SplineStore();</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160; </div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    <span class="keyword">const</span> QPointF* pd = pointsFlipped.constData();</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span>* md = m.constData();</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160; </div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    SplineStore store;</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    store.init( m.size() - 1 );</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    store.start( pd[0].y(), pd[0].x() );</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160; </div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    <a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a> lines( n );</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; n - 1; i++ )</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    {</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> dx3 = ( pd[i + 1].x() - pd[i].x() ) / 3.0;</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160; </div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;        store.addCubic( pd[i].y() + md[i] * dx3, pd[i].x() + dx3,</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;            pd[i + 1].y() - md[i + 1] * dx3, pd[i + 1].x() - dx3,</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;            pd[i + 1].y(), pd[i + 1].x() );</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    }</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160; </div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    <span class="keywordflow">return</span> store;</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;}</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160; </div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="keyword">template</span>&lt; <span class="keyword">class</span> SplineStore, <span class="keyword">class</span> Param &gt;</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> SplineStore qwtSplineC1PathParametric(</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_spline_c1.html">QwtSplineC1</a>* spline, <span class="keyword">const</span> QPolygonF&amp; points, Param param )</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;{</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">bool</span> isClosing = ( spline-&gt;<a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>() == <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a> );</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160; </div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;    QPolygonF pointsX, pointsY;</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    pointsX.resize( isClosing ? n + 1 : n );</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    pointsY.resize( isClosing ? n + 1 : n );</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160; </div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;    QPointF* px = pointsX.data();</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    QPointF* py = pointsY.data();</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;    <span class="keyword">const</span> QPointF* p = points.constData();</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160; </div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;    <span class="keywordtype">double</span> t = 0.0;</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160; </div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    px[0].rx() = py[0].rx() = t;</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;    px[0].ry() = p[0].x();</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    py[0].ry() = p[0].y();</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160; </div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    <span class="keywordtype">int</span> numParamPoints = 1;</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 1; i &lt; n; i++ )</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    {</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> td = param( points[i - 1], points[i] );</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;        <span class="keywordflow">if</span> ( td &gt; 0.0 )</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;        {</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;            t += td;</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160; </div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;            px[numParamPoints].rx() = py[numParamPoints].rx() = t;</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160; </div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;            px[numParamPoints].ry() = p[i].x();</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;            py[numParamPoints].ry() = p[i].y();</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160; </div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;            numParamPoints++;</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        }</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    }</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160; </div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;    <span class="keywordflow">if</span> ( isClosing )</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    {</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> td = param( points[n - 1], points[0] );</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160; </div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;        <span class="keywordflow">if</span> ( td &gt; 0.0 )</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;        {</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;            t += td;</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;            px[numParamPoints].rx() = py[numParamPoints].rx() = t;</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160; </div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;            px[numParamPoints].ry() = p[0].x();</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;            py[numParamPoints].ry() = p[0].y();</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160; </div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;            numParamPoints++;</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;        }</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    }</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160; </div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    <span class="keywordflow">if</span> ( pointsX.size() != numParamPoints )</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    {</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;        pointsX.resize( numParamPoints );</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;        pointsY.resize( numParamPoints );</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    }</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160; </div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> slopesX = spline-&gt;<a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( pointsX );</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> slopesY = spline-&gt;<a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( pointsY );</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160; </div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span>* mx = slopesX.constData();</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span>* my = slopesY.constData();</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160; </div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;    <span class="comment">// we don&#39;t need it anymore</span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    pointsX.clear();</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    pointsY.clear();</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160; </div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;    SplineStore store;</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    store.init( isClosing ? n : n - 1 );</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    store.start( points[0].x(), points[0].y() );</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160; </div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    <span class="keywordtype">int</span> j = 0;</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160; </div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; n - 1; i++ )</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    {</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;        <span class="keyword">const</span> QPointF&amp; p1 = p[i];</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;        <span class="keyword">const</span> QPointF&amp; p2 = p[i + 1];</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160; </div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> td = param( p1, p2 );</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160; </div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;        <span class="keywordflow">if</span> ( td != 0.0 )</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;        {</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">double</span> t3 = td / 3.0;</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160; </div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">double</span> cx1 = p1.x() + mx[j] * t3;</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">double</span> cy1 = p1.y() + my[j] * t3;</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160; </div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">double</span> cx2 = p2.x() - mx[j + 1] * t3;</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">double</span> cy2 = p2.y() - my[j + 1] * t3;</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160; </div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;            store.addCubic( cx1, cy1, cx2, cy2, p2.x(), p2.y() );</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160; </div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;            j++;</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;        }</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;        {</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;            <span class="comment">// setting control points to the ends</span></div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;            store.addCubic( p1.x(), p1.y(), p2.x(), p2.y(), p2.x(), p2.y() );</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;        }</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    }</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160; </div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    <span class="keywordflow">if</span> ( isClosing )</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    {</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;        <span class="keyword">const</span> QPointF&amp; p1 = p[n - 1];</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;        <span class="keyword">const</span> QPointF&amp; p2 = p[0];</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160; </div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> td = param( p1, p2 );</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160; </div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;        <span class="keywordflow">if</span> ( td != 0.0 )</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;        {</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">double</span> t3 = td / 3.0;</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160; </div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">double</span> cx1 = p1.x() + mx[j] * t3;</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">double</span> cy1 = p1.y() + my[j] * t3;</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160; </div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">double</span> cx2 = p2.x() - mx[0] * t3;</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">double</span> cy2 = p2.y() - my[0] * t3;</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160; </div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;            store.addCubic( cx1, cy1, cx2, cy2, p2.x(), p2.y() );</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        }</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        {</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;            store.addCubic( p1.x(), p1.y(), p2.x(), p2.y(), p2.x(), p2.y() );</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;        }</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160; </div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;        store.end();</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;    }</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160; </div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;    <span class="keywordflow">return</span> store;</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;}</div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160; </div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;<span class="keyword">template</span>&lt; QwtSplinePolynomial toPolynomial( const QPo<span class="keywordtype">int</span>F&amp;, <span class="keywordtype">double</span>, const QPo<span class="keywordtype">int</span>F&amp;, <span class="keywordtype">double</span> ) &gt;</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;<span class="keyword">static</span> QPolygonF qwtPolygonParametric( <span class="keywordtype">double</span> distance,</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;    <span class="keyword">const</span> QPolygonF&amp; points, <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a>&amp; values, <span class="keywordtype">bool</span> withNodes )</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;{</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;    QPolygonF fittedPoints;</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160; </div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;    <span class="keyword">const</span> QPointF* p = points.constData();</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span>* v = values.constData();</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160; </div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;    fittedPoints += p[0];</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;    <span class="keywordtype">double</span> t = distance;</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160; </div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160; </div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; n - 1; i++ )</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;    {</div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;        <span class="keyword">const</span> QPointF&amp; p1 = p[i];</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;        <span class="keyword">const</span> QPointF&amp; p2 = p[i + 1];</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160; </div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;        <span class="keyword">const</span> <a class="code" href="class_qwt_spline_polynomial.html">QwtSplinePolynomial</a> polynomial = toPolynomial( p1, v[i], p2, v[i + 1] );</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160; </div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> l = p2.x() - p1.x();</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160; </div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;        <span class="keywordflow">while</span> ( t &lt; l )</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;        {</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            fittedPoints += QPointF( p1.x() + t, p1.y() + polynomial.<a class="code" href="class_qwt_spline_polynomial.html#a31aa00624298eb0f7f0796d6d58ab38e">valueAt</a>( t ) );</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;            t += distance;</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;        }</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160; </div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        <span class="keywordflow">if</span> ( withNodes )</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;        {</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;            <span class="keywordflow">if</span> ( qFuzzyCompare( fittedPoints.last().x(), p2.x() ) )</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;                fittedPoints.last() = p2;</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;                fittedPoints += p2;</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;        }</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;        {</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;            t -= l;</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;        }</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;    }</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160; </div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;    <span class="keywordflow">return</span> fittedPoints;</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;}</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160; </div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="keyword">class </span>QwtSpline::PrivateData</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;{</div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;    PrivateData()</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;        : <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>( <a class="code" href="class_qwt_spline.html">QwtSpline</a>::<a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128af5bf38b7f712e69c699458cd6dfef711">ConditionalBoundaries</a> )</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;    {</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;        <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a> = <span class="keyword">new</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>(</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;            <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daf328ec1c9518bc5aaa9f648731f77ffd">QwtSplineParametrization::ParameterChordal</a> );</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160; </div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;        <span class="comment">// parabolic runout at both ends</span></div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160; </div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;        boundaryConditions[0].type = <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3">QwtSpline::Clamped3</a>;</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;        boundaryConditions[0].value = 0.0;</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160; </div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;        boundaryConditions[1].type = <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3">QwtSpline::Clamped3</a>;</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;        boundaryConditions[1].value = 0.0;</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;    }</div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160; </div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;    ~PrivateData()</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;    {</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;        <span class="keyword">delete</span> <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>;</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;    }</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160; </div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;    <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>;</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;    <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">QwtSpline::BoundaryType</a> <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>;</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160; </div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;    <span class="keyword">struct</span></div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;    {</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;        <span class="keywordtype">int</span> type;</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;        <span class="keywordtype">double</span> value;</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160; </div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;    } boundaryConditions[2];</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;};</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160; </div>
<div class="line"><a name="l00496"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">  496</a></span>&#160;QPolygonF <a class="code" href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">QwtSpline::polygon</a>( <span class="keyword">const</span> QPolygonF&amp; points, <span class="keywordtype">double</span> tolerance )<span class="keyword"> const</span></div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;    <span class="keywordflow">if</span> ( tolerance &lt;= 0.0 )</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;        <span class="keywordflow">return</span> QPolygonF();</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160; </div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;    <span class="keyword">const</span> QPainterPath path = <a class="code" href="class_qwt_spline.html#a34c5ddda039f15ec71de0523d9753b64">painterPath</a>( points );</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = path.elementCount();</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;    <span class="keywordflow">if</span> ( n == 0 )</div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;        <span class="keywordflow">return</span> QPolygonF();</div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160; </div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;    <span class="keyword">const</span> QPainterPath::Element el = path.elementAt( 0 );</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;    <span class="keywordflow">if</span> ( el.type != QPainterPath::MoveToElement )</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;        <span class="keywordflow">return</span> QPolygonF();</div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160; </div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;    QPointF p1( el.x, el.y );</div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160; </div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;    QPolygonF <a class="code" href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">polygon</a>;</div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;    <a class="code" href="class_qwt_bezier.html">QwtBezier</a> bezier( tolerance );</div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160; </div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 1; i &lt; n; i += 3 )</div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;    {</div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;        <span class="keyword">const</span> QPainterPath::Element el1 = path.elementAt( i );</div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;        <span class="keyword">const</span> QPainterPath::Element el2 = path.elementAt( i + 1 );</div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;        <span class="keyword">const</span> QPainterPath::Element el3 = path.elementAt( i + 2 );</div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160; </div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;        <span class="keyword">const</span> QPointF cp1( el1.x, el1.y );</div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;        <span class="keyword">const</span> QPointF cp2( el2.x, el2.y );</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;        <span class="keyword">const</span> QPointF p2( el3.x, el3.y );</div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160; </div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;        bezier.<a class="code" href="class_qwt_bezier.html#a1e67390b7109a819d29b043418bcb1b5">appendToPolygon</a>( p1, cp1, cp2, p2, <a class="code" href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">polygon</a> );</div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160; </div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;        p1 = p2;</div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;    }</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160; </div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">polygon</a>;</div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;}</div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160; </div>
<div class="line"><a name="l00540"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a5d1e0ba35c637a88c66d9e4cbaf36e93">  540</a></span>&#160;<a class="code" href="class_qwt_spline.html#a5d1e0ba35c637a88c66d9e4cbaf36e93">QwtSpline::QwtSpline</a>()</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;{</div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;    m_data = <span class="keyword">new</span> PrivateData;</div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;}</div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160; </div>
<div class="line"><a name="l00546"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a90805882826469c94fdc871f18261bb6">  546</a></span>&#160;<a class="code" href="class_qwt_spline.html#a90805882826469c94fdc871f18261bb6">QwtSpline::~QwtSpline</a>()</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;{</div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;    <span class="keyword">delete</span> m_data;</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;}</div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160; </div>
<div class="line"><a name="l00564"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a8530fa87bf65a42492014b50614d0595">  564</a></span>&#160;uint <a class="code" href="class_qwt_spline.html#a8530fa87bf65a42492014b50614d0595">QwtSpline::locality</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;}</div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160; </div>
<div class="line"><a name="l00576"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">  576</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">QwtSpline::setParametrization</a>( <span class="keywordtype">int</span> type )</div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;{</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;    <span class="keywordflow">if</span> ( m_data-&gt;parametrization-&gt;type() != type )</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;    {</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;        <span class="keyword">delete</span> m_data-&gt;parametrization;</div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;        m_data-&gt;parametrization = <span class="keyword">new</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>( type );</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;    }</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;}</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160; </div>
<div class="line"><a name="l00592"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a7d2dd1a36183afc5394ee6b39c09bc8c">  592</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">QwtSpline::setParametrization</a>( <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* parametrization )</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;{</div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;    <span class="keywordflow">if</span> ( ( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a> != NULL ) &amp;&amp; ( m_data-&gt;parametrization != <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a> ) )</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;    {</div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;        <span class="keyword">delete</span> m_data-&gt;parametrization;</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;        m_data-&gt;parametrization = <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>;</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;    }</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;}</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160; </div>
<div class="line"><a name="l00605"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">  605</a></span>&#160;<span class="keyword">const</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">QwtSpline::parametrization</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;parametrization;</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;}</div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160; </div>
<div class="line"><a name="l00617"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a48ddb960940cd1bd6d6707dd0ebb8785">  617</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#a48ddb960940cd1bd6d6707dd0ebb8785">QwtSpline::setBoundaryType</a>( <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">BoundaryType</a> boundaryType )</div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;{</div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;    m_data-&gt;boundaryType = <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>;</div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;}</div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160; </div>
<div class="line"><a name="l00626"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">  626</a></span>&#160;<a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">QwtSpline::BoundaryType</a> <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">QwtSpline::boundaryType</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;boundaryType;</div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;}</div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160; </div>
<div class="line"><a name="l00639"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">  639</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">QwtSpline::setBoundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a> position, <span class="keywordtype">int</span> condition )</div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;{</div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;    <span class="keywordflow">if</span> ( ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ) || ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> ) )</div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;        m_data-&gt;boundaryConditions[position].type = condition;</div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;}</div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160; </div>
<div class="line"><a name="l00651"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee">  651</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee">QwtSpline::boundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a> position )<span class="keyword"> const</span></div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;    <span class="keywordflow">if</span> ( ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ) || ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> ) )</div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;        <span class="keywordflow">return</span> m_data-&gt;boundaryConditions[position].type;</div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160; </div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;boundaryConditions[0].type; <span class="comment">// should never happen</span></div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;}</div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160; </div>
<div class="line"><a name="l00670"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">  670</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">QwtSpline::setBoundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a> position, <span class="keywordtype">double</span> value )</div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;{</div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;    <span class="keywordflow">if</span> ( ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ) || ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> ) )</div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;        m_data-&gt;boundaryConditions[position].value = value;</div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;}</div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160; </div>
<div class="line"><a name="l00682"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec">  682</a></span>&#160;<span class="keywordtype">double</span> <a class="code" href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec">QwtSpline::boundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a> position )<span class="keyword"> const</span></div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;    <span class="keywordflow">if</span> ( ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ) || ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> ) )</div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;        <span class="keywordflow">return</span> m_data-&gt;boundaryConditions[position].value;</div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160; </div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;boundaryConditions[0].value; <span class="comment">// should never happen</span></div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;}</div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160; </div>
<div class="line"><a name="l00700"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#aa890bace9e318d1bff4fb03ed7d6e9c3">  700</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#aa890bace9e318d1bff4fb03ed7d6e9c3">QwtSpline::setBoundaryConditions</a>(</div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;    <span class="keywordtype">int</span> condition, <span class="keywordtype">double</span> valueBegin, <span class="keywordtype">double</span> valueEnd )</div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;{</div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;    <a class="code" href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">setBoundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a>, condition );</div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;    <a class="code" href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">setBoundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a>, valueBegin );</div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160; </div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;    <a class="code" href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">setBoundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a>, condition );</div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;    <a class="code" href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">setBoundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a>, valueEnd );</div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;}</div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160; </div>
<div class="line"><a name="l00711"></a><span class="lineno"><a class="line" href="class_qwt_spline_interpolating.html#a9f8a93111263da26788c4ae9034411d5">  711</a></span>&#160;<a class="code" href="class_qwt_spline_interpolating.html#a9f8a93111263da26788c4ae9034411d5">QwtSplineInterpolating::QwtSplineInterpolating</a>()</div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;{</div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;}</div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160; </div>
<div class="line"><a name="l00716"></a><span class="lineno"><a class="line" href="class_qwt_spline_interpolating.html#a1a1e39267da1d9d0f8a1c670777163a4">  716</a></span>&#160;<a class="code" href="class_qwt_spline_interpolating.html#a1a1e39267da1d9d0f8a1c670777163a4">QwtSplineInterpolating::~QwtSplineInterpolating</a>()</div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;{</div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;}</div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160; </div>
<div class="line"><a name="l00748"></a><span class="lineno"><a class="line" href="class_qwt_spline_interpolating.html#ae9eb4c8b6c5257a44f918c30d36860e4">  748</a></span>&#160;QPainterPath <a class="code" href="class_qwt_spline_interpolating.html#ae9eb4c8b6c5257a44f918c30d36860e4">QwtSplineInterpolating::painterPath</a>( <span class="keyword">const</span> QPolygonF&amp; points )<span class="keyword"> const</span></div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160; </div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;    QPainterPath path;</div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;    <span class="keywordflow">if</span> ( n == 0 )</div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;        <span class="keywordflow">return</span> path;</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160; </div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;    <span class="keywordflow">if</span> ( n == 1 )</div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;    {</div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;        path.moveTo( points[0] );</div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;        <span class="keywordflow">return</span> path;</div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;    }</div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160; </div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;    <span class="keywordflow">if</span> ( n == 2 )</div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;    {</div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;        path.addPolygon( points );</div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;        <span class="keywordflow">return</span> path;</div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;    }</div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160; </div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a> controlLines = <a class="code" href="class_qwt_spline_interpolating.html#a8db950cb52e6f12e51cfcb31e3bccf75">bezierControlLines</a>( points );</div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;    <span class="keywordflow">if</span> ( controlLines.size() &lt; n - 1 )</div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;        <span class="keywordflow">return</span> path;</div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160; </div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;    <span class="keyword">const</span> QPointF* p = points.constData();</div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;    <span class="keyword">const</span> QLineF* l = controlLines.constData();</div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160; </div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;    path.moveTo( p[0] );</div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; n - 1; i++ )</div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;        path.cubicTo( l[i].p1(), l[i].p2(), p[i + 1] );</div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160; </div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;    <span class="keywordflow">if</span> ( ( <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>() == <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a> )</div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;        &amp;&amp; ( controlLines.size() &gt;= n ) )</div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;    {</div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;        path.cubicTo( l[n - 1].p1(), l[n - 1].p2(), p[0] );</div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;        path.closeSubpath();</div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;    }</div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160; </div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;    <span class="keywordflow">return</span> path;</div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;}</div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160; </div>
<div class="line"><a name="l00805"></a><span class="lineno"><a class="line" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">  805</a></span>&#160;QPolygonF <a class="code" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">QwtSplineInterpolating::polygon</a>(</div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;    <span class="keyword">const</span> QPolygonF&amp; points, <span class="keywordtype">double</span> tolerance )<span class="keyword"> const</span></div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;    <span class="keywordflow">if</span> ( tolerance &lt;= 0.0 )</div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;        <span class="keywordflow">return</span> QPolygonF();</div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160; </div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a> controlLines = <a class="code" href="class_qwt_spline_interpolating.html#a8db950cb52e6f12e51cfcb31e3bccf75">bezierControlLines</a>( points );</div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;    <span class="keywordflow">if</span> ( controlLines.isEmpty() )</div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;        <span class="keywordflow">return</span> QPolygonF();</div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160; </div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">bool</span> isClosed = <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>() == <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a>;</div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160; </div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;    <a class="code" href="class_qwt_bezier.html">QwtBezier</a> bezier( tolerance );</div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160; </div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;    <span class="keyword">const</span> QPointF* p = points.constData();</div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;    <span class="keyword">const</span> QLineF* cl = controlLines.constData();</div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160; </div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = controlLines.size();</div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160; </div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;    QPolygonF <a class="code" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">polygon</a>;</div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160; </div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; n - 1; i++ )</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;    {</div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;        <span class="keyword">const</span> QLineF&amp; l = cl[i];</div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;        bezier.<a class="code" href="class_qwt_bezier.html#a1e67390b7109a819d29b043418bcb1b5">appendToPolygon</a>( p[i], l.p1(), l.p2(), p[i + 1], <a class="code" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">polygon</a> );</div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;    }</div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160; </div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;    <span class="keyword">const</span> QPointF&amp; pn = isClosed ? p[0] : p[n];</div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;    <span class="keyword">const</span> QLineF&amp; l = cl[n - 1];</div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160; </div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;    bezier.<a class="code" href="class_qwt_bezier.html#a1e67390b7109a819d29b043418bcb1b5">appendToPolygon</a>( p[n - 1], l.p1(), l.p2(), pn, <a class="code" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">polygon</a> );</div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160; </div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">polygon</a>;</div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;}</div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160; </div>
<div class="line"><a name="l00863"></a><span class="lineno"><a class="line" href="class_qwt_spline_interpolating.html#a5a01fc8e0cd91a84881befe1caeec8db">  863</a></span>&#160;QPolygonF <a class="code" href="class_qwt_spline_interpolating.html#a5a01fc8e0cd91a84881befe1caeec8db">QwtSplineInterpolating::equidistantPolygon</a>( <span class="keyword">const</span> QPolygonF&amp; points,</div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;    <span class="keywordtype">double</span> distance, <span class="keywordtype">bool</span> withNodes )<span class="keyword"> const</span></div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;    <span class="keywordflow">if</span> ( distance &lt;= 0.0 )</div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;        <span class="keywordflow">return</span> QPolygonF();</div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160; </div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;    <span class="keywordflow">if</span> ( n &lt;= 1 )</div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;        <span class="keywordflow">return</span> points;</div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160; </div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;    <span class="keywordflow">if</span> ( n == 2 )</div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;    {</div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;        <span class="comment">// TODO</span></div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;        <span class="keywordflow">return</span> points;</div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;    }</div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160; </div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;    QPolygonF path;</div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160; </div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a> controlLines = <a class="code" href="class_qwt_spline_interpolating.html#a8db950cb52e6f12e51cfcb31e3bccf75">bezierControlLines</a>( points );</div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160; </div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;    <span class="keywordflow">if</span> ( controlLines.size() &lt; n - 1 )</div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;        <span class="keywordflow">return</span> path;</div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160; </div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;    path += points.first();</div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;    <span class="keywordtype">double</span> t = distance;</div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160; </div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;    <span class="keyword">const</span> QPointF* p = points.constData();</div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;    <span class="keyword">const</span> QLineF* cl = controlLines.constData();</div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160; </div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* param = <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>();</div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160; </div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; n - 1; i++ )</div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;    {</div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> l = param-&gt;<a class="code" href="class_qwt_spline_parametrization.html#a5cd58cf9777799bec478ad524baa22f9">valueIncrement</a>( p[i], p[i + 1] );</div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160; </div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;        <span class="keywordflow">while</span> ( t &lt; l )</div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;        {</div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;            path += <a class="code" href="class_qwt_bezier.html#a962c356b89fb7fd2343091fed1569530">QwtBezier::pointAt</a>( p[i], cl[i].p1(),</div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;                cl[i].p2(), p[i + 1], t / l );</div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160; </div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;            t += distance;</div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;        }</div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160; </div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;        <span class="keywordflow">if</span> ( withNodes )</div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;        {</div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;            <span class="keywordflow">if</span> ( qFuzzyCompare( path.last().x(), p[i + 1].x() ) )</div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;                path.last() = p[i + 1];</div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;                path += p[i + 1];</div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160; </div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;            t = distance;</div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;        }</div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;        {</div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;            t -= l;</div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;        }</div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;    }</div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160; </div>
<div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;    <span class="keywordflow">if</span> ( ( <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>() == <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a> )</div>
<div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;        &amp;&amp; ( controlLines.size() &gt;= n ) )</div>
<div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;    {</div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> l = param-&gt;<a class="code" href="class_qwt_spline_parametrization.html#a5cd58cf9777799bec478ad524baa22f9">valueIncrement</a>( p[n - 1], p[0] );</div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160; </div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;        <span class="keywordflow">while</span> ( t &lt; l )</div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;        {</div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;            path += <a class="code" href="class_qwt_bezier.html#a962c356b89fb7fd2343091fed1569530">QwtBezier::pointAt</a>( p[n - 1], cl[n - 1].p1(),</div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;                cl[n - 1].p2(), p[0], t / l );</div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160; </div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;            t += distance;</div>
<div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;        }</div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160; </div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;        <span class="keywordflow">if</span> ( qFuzzyCompare( path.last().x(), p[0].x() ) )</div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;            path.last() = p[0];</div>
<div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;            path += p[0];</div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;    }</div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160; </div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;    <span class="keywordflow">return</span> path;</div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;}</div>
<div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160; </div>
<div class="line"><a name="l00944"></a><span class="lineno"><a class="line" href="class_qwt_spline_g1.html#aba43f62873a477b2733d4ced610d038d">  944</a></span>&#160;<a class="code" href="class_qwt_spline_g1.html#aba43f62873a477b2733d4ced610d038d">QwtSplineG1::QwtSplineG1</a>()</div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;{</div>
<div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;}</div>
<div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160; </div>
<div class="line"><a name="l00949"></a><span class="lineno"><a class="line" href="class_qwt_spline_g1.html#a441218078365cb31416fd28501eefa2f">  949</a></span>&#160;<a class="code" href="class_qwt_spline_g1.html#a441218078365cb31416fd28501eefa2f">QwtSplineG1::~QwtSplineG1</a>()</div>
<div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;{</div>
<div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;}</div>
<div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160; </div>
<div class="line"><a name="l00962"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a4924927ec8a3f9dde92692898ccf6cf5">  962</a></span>&#160;<a class="code" href="class_qwt_spline_c1.html#a4924927ec8a3f9dde92692898ccf6cf5">QwtSplineC1::QwtSplineC1</a>()</div>
<div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;{</div>
<div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;    <a class="code" href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">setParametrization</a>( <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a> );</div>
<div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;}</div>
<div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160; </div>
<div class="line"><a name="l00968"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a33140db5071e38ef20d09de29414a13b">  968</a></span>&#160;<a class="code" href="class_qwt_spline_c1.html#a33140db5071e38ef20d09de29414a13b">QwtSplineC1::~QwtSplineC1</a>()</div>
<div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;{</div>
<div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;}</div>
<div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160; </div>
<div class="line"><a name="l00979"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a4befa20c7cc5bed3f3f14d52ff639f48">  979</a></span>&#160;<span class="keywordtype">double</span> <a class="code" href="class_qwt_spline_c1.html#a4befa20c7cc5bed3f3f14d52ff639f48">QwtSplineC1::slopeAtBeginning</a>( <span class="keyword">const</span> QPolygonF&amp; points, <span class="keywordtype">double</span> slopeNext )<span class="keyword"> const</span></div>
<div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;    <span class="keywordflow">if</span> ( points.size() &lt; 2 )</div>
<div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;        <span class="keywordflow">return</span> 0.0;</div>
<div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160; </div>
<div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;    <span class="keywordflow">return</span> QwtSplineC1P::slopeBoundary(</div>
<div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;        <a class="code" href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee">boundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ),</div>
<div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;        <a class="code" href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec">boundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ),</div>
<div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160;        points[0], points[1], slopeNext );</div>
<div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160;}</div>
<div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160; </div>
<div class="line"><a name="l00997"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a9fed720ae4d5d4e6ea6c8e3727587e5e">  997</a></span>&#160;<span class="keywordtype">double</span> <a class="code" href="class_qwt_spline_c1.html#a9fed720ae4d5d4e6ea6c8e3727587e5e">QwtSplineC1::slopeAtEnd</a>( <span class="keyword">const</span> QPolygonF&amp; points, <span class="keywordtype">double</span> slopeBefore )<span class="keyword"> const</span></div>
<div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160; </div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;    <span class="keyword">const</span> QPointF p1( points[n - 1].x(), -points[n - 1].y() );</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;    <span class="keyword">const</span> QPointF p2( points[n - 2].x(), -points[n - 2].y() );</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160; </div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> condition = <a class="code" href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee">boundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> );</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160; </div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;    <span class="keywordtype">double</span> value = <a class="code" href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec">boundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> );</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;    <span class="keywordflow">if</span> ( condition != <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba6ad4241cc59f456d77eb70b289e5782a">QwtSpline::LinearRunout</a> )</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;    {</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;        <span class="comment">// beside LinearRunout the boundaryValue is a slope or curvature</span></div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;        <span class="comment">// and needs to be inverted too</span></div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;        value = -value;</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;    }</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160; </div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span> slope = QwtSplineC1P::slopeBoundary( condition, value, p1, p2, -slopeBefore );</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;    <span class="keywordflow">return</span> -slope;</div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;}</div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160; </div>
<div class="line"><a name="l01043"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a79a63604fbbdc82dc2d39ecc4e32df80"> 1043</a></span>&#160;QPainterPath <a class="code" href="class_qwt_spline_c1.html#a79a63604fbbdc82dc2d39ecc4e32df80">QwtSplineC1::painterPath</a>( <span class="keyword">const</span> QPolygonF&amp; points )<span class="keyword"> const</span></div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;    <span class="keywordflow">if</span> ( n &lt;= 2 )</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_interpolating.html#ae9eb4c8b6c5257a44f918c30d36860e4">QwtSplineInterpolating::painterPath</a>( points );</div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160; </div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;    <span class="keyword">using namespace </span>QwtSplineC1P;</div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160; </div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;    PathStore store;</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;    <span class="keywordflow">switch</span>( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>()-&gt;type() )</div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;    {</div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a>:</div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;        {</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;            store = qwtSplineC1PathParamX&lt; PathStore &gt;( <span class="keyword">this</span>, points );</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;        }</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da30edbcab5070b1f54d7e6d2486cb7ccf">QwtSplineParametrization::ParameterY</a>:</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;        {</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;            store = qwtSplineC1PathParamY&lt; PathStore &gt;( <span class="keyword">this</span>, points );</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;        }</div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478">QwtSplineParametrization::ParameterUniform</a>:</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;        {</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;            store = qwtSplineC1PathParametric&lt; PathStore &gt;(</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;                <span class="keyword">this</span>, points, paramUniform() );</div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;        }</div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3127bf721ca3be4e279f9478ea12270c">QwtSplineParametrization::ParameterCentripetal</a>:</div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>&#160;        {</div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;            store = qwtSplineC1PathParametric&lt; PathStore &gt;(</div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>&#160;                <span class="keyword">this</span>, points, paramCentripetal() );</div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160;        }</div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daf328ec1c9518bc5aaa9f648731f77ffd">QwtSplineParametrization::ParameterChordal</a>:</div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160;        {</div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160;            store = qwtSplineC1PathParametric&lt; PathStore &gt;(</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;                <span class="keyword">this</span>, points, paramChordal() );</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;        }</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;        {</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160;            store = qwtSplineC1PathParametric&lt; PathStore &gt;(</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;                <span class="keyword">this</span>, points, param( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>() ) );</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;        }</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160;    }</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160; </div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160;    <span class="keywordflow">return</span> store.path;</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;}</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160; </div>
<div class="line"><a name="l01101"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a95bd3ff76fa0975f07b2351f4194e60e"> 1101</a></span>&#160;<a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a> <a class="code" href="class_qwt_spline_c1.html#a95bd3ff76fa0975f07b2351f4194e60e">QwtSplineC1::bezierControlLines</a>( <span class="keyword">const</span> QPolygonF&amp; points )<span class="keyword"> const</span></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160;    <span class="keyword">using namespace </span>QwtSplineC1P;</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160; </div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160;    <span class="keywordflow">if</span> ( n &lt;= 2 )</div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a>();</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160; </div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160;    ControlPointsStore store;</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;    <span class="keywordflow">switch</span>( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>()-&gt;type() )</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;    {</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a>:</div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160;        {</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;            store = qwtSplineC1PathParamX&lt; ControlPointsStore &gt;( <span class="keyword">this</span>, points );</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160;        }</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da30edbcab5070b1f54d7e6d2486cb7ccf">QwtSplineParametrization::ParameterY</a>:</div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;        {</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;            store = qwtSplineC1PathParamY&lt; ControlPointsStore &gt;( <span class="keyword">this</span>, points );</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;        }</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478">QwtSplineParametrization::ParameterUniform</a>:</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;        {</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;            store = qwtSplineC1PathParametric&lt; ControlPointsStore &gt;(</div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160;                <span class="keyword">this</span>, points, paramUniform() );</div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;        }</div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3127bf721ca3be4e279f9478ea12270c">QwtSplineParametrization::ParameterCentripetal</a>:</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160;        {</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160;            store = qwtSplineC1PathParametric&lt; ControlPointsStore &gt;(</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;                <span class="keyword">this</span>, points, paramCentripetal() );</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;        }</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daf328ec1c9518bc5aaa9f648731f77ffd">QwtSplineParametrization::ParameterChordal</a>:</div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;        {</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;            store = qwtSplineC1PathParametric&lt; ControlPointsStore &gt;(</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;                <span class="keyword">this</span>, points, paramChordal() );</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160;        }</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160;        {</div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;            store = qwtSplineC1PathParametric&lt; ControlPointsStore &gt;(</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160;                <span class="keyword">this</span>, points, param( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>() ) );</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160;        }</div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160;    }</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>&#160; </div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160;    <span class="keywordflow">return</span> store.controlPoints;</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160;}</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160; </div>
<div class="line"><a name="l01167"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a900ac5247f71ed344a46326c6064ec6b"> 1167</a></span>&#160;QPolygonF <a class="code" href="class_qwt_spline_c1.html#a900ac5247f71ed344a46326c6064ec6b">QwtSplineC1::equidistantPolygon</a>( <span class="keyword">const</span> QPolygonF&amp; points,</div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>&#160;    <span class="keywordtype">double</span> distance, <span class="keywordtype">bool</span> withNodes )<span class="keyword"> const</span></div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>&#160;    <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>()-&gt;type() == <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a> )</div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>&#160;    {</div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>&#160;        <span class="keywordflow">if</span> ( points.size() &gt; 2 )</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;        {</div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;            <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> m = <a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( points );</div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;            <span class="keywordflow">if</span> ( m.size() != points.size() )</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160;                <span class="keywordflow">return</span> QPolygonF();</div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160; </div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160;            <span class="keywordflow">return</span> qwtPolygonParametric&lt; QwtSplinePolynomial::fromSlopes &gt;(</div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160;                distance, points, m, withNodes );</div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160;        }</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160;    }</div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160; </div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_interpolating.html#a5a01fc8e0cd91a84881befe1caeec8db">QwtSplineInterpolating::equidistantPolygon</a>( points, distance, withNodes );</div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>&#160;}</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160; </div>
<div class="line"><a name="l01201"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543"> 1201</a></span>&#160;<a class="code" href="class_q_vector.html">QVector&lt; QwtSplinePolynomial &gt;</a> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">QwtSplineC1::polynomials</a>(</div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>&#160;    <span class="keyword">const</span> QPolygonF&amp; points )<span class="keyword"> const</span></div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;    <a class="code" href="class_q_vector.html">QVector&lt; QwtSplinePolynomial &gt;</a> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160; </div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> m = <a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( points );</div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160;    <span class="keywordflow">if</span> ( m.size() &lt; 2 )</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160; </div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160;    <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>.reserve( m.size() - 1 );</div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 1; i &lt; m.size(); i++ )</div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160;    {</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;        <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a> += <a class="code" href="class_qwt_spline_polynomial.html#a2f7c84dbfe6354d771d15fa95934ea07">QwtSplinePolynomial::fromSlopes</a>(</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160;            points[i - 1], m[i - 1], points[i], m[i] );</div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160;    }</div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>&#160; </div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160;}</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>&#160; </div>
<div class="line"><a name="l01228"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#a5157941fdf2d1328ba20724804877809"> 1228</a></span>&#160;<a class="code" href="class_qwt_spline_c2.html#a5157941fdf2d1328ba20724804877809">QwtSplineC2::QwtSplineC2</a>()</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;{</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;}</div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160; </div>
<div class="line"><a name="l01233"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#ad366da5e045494476e683534b8e28cea"> 1233</a></span>&#160;<a class="code" href="class_qwt_spline_c2.html#ad366da5e045494476e683534b8e28cea">QwtSplineC2::~QwtSplineC2</a>()</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;{</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160;}</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160; </div>
<div class="line"><a name="l01249"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#aff09e99a775253f1c37546f5d3a82428"> 1249</a></span>&#160;QPainterPath <a class="code" href="class_qwt_spline_c2.html#aff09e99a775253f1c37546f5d3a82428">QwtSplineC2::painterPath</a>( <span class="keyword">const</span> QPolygonF&amp; points )<span class="keyword"> const</span></div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>&#160;    <span class="comment">// could be implemented from curvatures without the extra</span></div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>&#160;    <span class="comment">// loop for calculating the slopes vector. TODO ...</span></div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>&#160; </div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#a79a63604fbbdc82dc2d39ecc4e32df80">QwtSplineC1::painterPath</a>( points );</div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>&#160;}</div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>&#160; </div>
<div class="line"><a name="l01270"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#aa909f7c297d01a8381d4a58ae6f847be"> 1270</a></span>&#160;<a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a> <a class="code" href="class_qwt_spline_c2.html#aa909f7c297d01a8381d4a58ae6f847be">QwtSplineC2::bezierControlLines</a>( <span class="keyword">const</span> QPolygonF&amp; points )<span class="keyword"> const</span></div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>&#160;    <span class="comment">// could be implemented from curvatures without the extra</span></div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>&#160;    <span class="comment">// loop for calculating the slopes vector. TODO ...</span></div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160; </div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#a95bd3ff76fa0975f07b2351f4194e60e">QwtSplineC1::bezierControlLines</a>( points );</div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160;}</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160; </div>
<div class="line"><a name="l01295"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#a02387ad1232ab77881caf710edcc7eca"> 1295</a></span>&#160;QPolygonF <a class="code" href="class_qwt_spline_c2.html#a02387ad1232ab77881caf710edcc7eca">QwtSplineC2::equidistantPolygon</a>( <span class="keyword">const</span> QPolygonF&amp; points,</div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160;    <span class="keywordtype">double</span> distance, <span class="keywordtype">bool</span> withNodes )<span class="keyword"> const</span></div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;    <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>()-&gt;type() == <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a> )</div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160;    {</div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160;        <span class="keywordflow">if</span> ( points.size() &gt; 2 )</div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>&#160;        {</div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160;            <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> cv = curvatures( points );</div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160;            <span class="keywordflow">if</span> ( cv.size() != points.size() )</div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160;                <span class="keywordflow">return</span> QPolygonF();</div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160; </div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160;            <span class="keywordflow">return</span> qwtPolygonParametric&lt; QwtSplinePolynomial::fromCurvatures &gt;(</div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160;                distance, points, cv, withNodes );</div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160;        }</div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;    }</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160; </div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_interpolating.html#a5a01fc8e0cd91a84881befe1caeec8db">QwtSplineInterpolating::equidistantPolygon</a>( points, distance, withNodes );</div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;}</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160; </div>
<div class="line"><a name="l01339"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#a22d88546b8dff5b3f7efdef656d9f617"> 1339</a></span>&#160;<a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> <a class="code" href="class_qwt_spline_c2.html#a22d88546b8dff5b3f7efdef656d9f617">QwtSplineC2::slopes</a>( <span class="keyword">const</span> QPolygonF&amp; points )<span class="keyword"> const</span></div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> curvatures = this-&gt;curvatures( points );</div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160;    <span class="keywordflow">if</span> ( curvatures.size() &lt; 2 )</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a>();</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160; </div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160;    <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> <a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( curvatures.size() );</div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160; </div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span>* cv = curvatures.constData();</div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160;    <span class="keywordtype">double</span>* m = <a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>.data();</div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160; </div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;    <span class="keyword">const</span> QPointF* p = points.constData();</div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160; </div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160;    <a class="code" href="class_qwt_spline_polynomial.html">QwtSplinePolynomial</a> polynomial;</div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160; </div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; n - 1; i++ )</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160;    {</div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160;        polynomial = <a class="code" href="class_qwt_spline_polynomial.html#a88432efffb0b03c266f8673e0d58c36e">QwtSplinePolynomial::fromCurvatures</a>( p[i], cv[i], p[i + 1], cv[i + 1] );</div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;        m[i] = polynomial.<a class="code" href="class_qwt_spline_polynomial.html#ab7a4dd72809be3e6648bafcf6871dd32">c1</a>;</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160;    }</div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160; </div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160;    m[n - 1] = polynomial.<a class="code" href="class_qwt_spline_polynomial.html#a136975ae7191fd91b5b9ef5297b36299">slopeAt</a>( p[n - 1].x() - p[n - 2].x() );</div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>&#160; </div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>;</div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>&#160;}</div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160; </div>
<div class="line"><a name="l01381"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#ab7502fe760f6c98b46fe9bd9fc24813b"> 1381</a></span>&#160;<a class="code" href="class_q_vector.html">QVector&lt; QwtSplinePolynomial &gt;</a> <a class="code" href="class_qwt_spline_c2.html#ab7502fe760f6c98b46fe9bd9fc24813b">QwtSplineC2::polynomials</a>( <span class="keyword">const</span> QPolygonF&amp; points )<span class="keyword"> const</span></div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>&#160;    <a class="code" href="class_q_vector.html">QVector&lt; QwtSplinePolynomial &gt;</a> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>&#160; </div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector&lt; double &gt;</a> curvatures = this-&gt;curvatures( points );</div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>&#160;    <span class="keywordflow">if</span> ( curvatures.size() &lt; 2 )</div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>&#160; </div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>&#160;    <span class="keyword">const</span> QPointF* p = points.constData();</div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span>* cv = curvatures.constData();</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> n = curvatures.size();</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>&#160;    <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>.reserve( n - 1 );</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160; </div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 1; i &lt; n; i++ )</div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160;    {</div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>&#160;        <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a> += <a class="code" href="class_qwt_spline_polynomial.html#a88432efffb0b03c266f8673e0d58c36e">QwtSplinePolynomial::fromCurvatures</a>(</div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>&#160;            p[i - 1], cv[i - 1], p[i], cv[i] );</div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>&#160;    }</div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160; </div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;}</div>
<div class="ttc" id="aclass_q_vector_html"><div class="ttname"><a href="class_q_vector.html">QVector&lt; QLineF &gt;</a></div></div>
<div class="ttc" id="aclass_qwt_bezier_html"><div class="ttname"><a href="class_qwt_bezier.html">QwtBezier</a></div><div class="ttdoc">An implementation of the de Casteljau’s Algorithm for interpolating Bézier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__bezier_8h_source.html#l00029">qwt_bezier.h:30</a></div></div>
<div class="ttc" id="aclass_qwt_bezier_html_a1e67390b7109a819d29b043418bcb1b5"><div class="ttname"><a href="class_qwt_bezier.html#a1e67390b7109a819d29b043418bcb1b5">QwtBezier::appendToPolygon</a></div><div class="ttdeci">void appendToPolygon(const QPointF &amp;p1, const QPointF &amp;cp1, const QPointF &amp;cp2, const QPointF &amp;p2, QPolygonF &amp;polygon) const</div><div class="ttdoc">Interpolate a Bézier curve by a polygon.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__bezier_8cpp_source.html#l00186">qwt_bezier.cpp:186</a></div></div>
<div class="ttc" id="aclass_qwt_bezier_html_a962c356b89fb7fd2343091fed1569530"><div class="ttname"><a href="class_qwt_bezier.html#a962c356b89fb7fd2343091fed1569530">QwtBezier::pointAt</a></div><div class="ttdeci">static QPointF pointAt(const QPointF &amp;p1, const QPointF &amp;cp1, const QPointF &amp;cp2, const QPointF &amp;p2, double t)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__bezier_8cpp_source.html#l00239">qwt_bezier.cpp:239</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c1_html"><div class="ttname"><a href="class_qwt_spline_c1.html">QwtSplineC1</a></div><div class="ttdoc">Base class for spline interpolations providing a first order parametric continuity ( C1 ) between adj...</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00235">qwt_spline.h:236</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c1_html_a20caae8d9308f92a49da94315cd46537"><div class="ttname"><a href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">QwtSplineC1::slopes</a></div><div class="ttdeci">virtual QVector&lt; double &gt; slopes(const QPolygonF &amp;) const =0</div><div class="ttdoc">Find the first derivative at the control points.</div></div>
<div class="ttc" id="aclass_qwt_spline_c1_html_a33140db5071e38ef20d09de29414a13b"><div class="ttname"><a href="class_qwt_spline_c1.html#a33140db5071e38ef20d09de29414a13b">QwtSplineC1::~QwtSplineC1</a></div><div class="ttdeci">virtual ~QwtSplineC1()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00968">qwt_spline.cpp:968</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c1_html_a4924927ec8a3f9dde92692898ccf6cf5"><div class="ttname"><a href="class_qwt_spline_c1.html#a4924927ec8a3f9dde92692898ccf6cf5">QwtSplineC1::QwtSplineC1</a></div><div class="ttdeci">QwtSplineC1()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00962">qwt_spline.cpp:962</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c1_html_a4befa20c7cc5bed3f3f14d52ff639f48"><div class="ttname"><a href="class_qwt_spline_c1.html#a4befa20c7cc5bed3f3f14d52ff639f48">QwtSplineC1::slopeAtBeginning</a></div><div class="ttdeci">virtual double slopeAtBeginning(const QPolygonF &amp;, double slopeNext) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00979">qwt_spline.cpp:979</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c1_html_a79a63604fbbdc82dc2d39ecc4e32df80"><div class="ttname"><a href="class_qwt_spline_c1.html#a79a63604fbbdc82dc2d39ecc4e32df80">QwtSplineC1::painterPath</a></div><div class="ttdeci">virtual QPainterPath painterPath(const QPolygonF &amp;) const override</div><div class="ttdoc">Calculate an interpolated painter path.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01043">qwt_spline.cpp:1043</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c1_html_a900ac5247f71ed344a46326c6064ec6b"><div class="ttname"><a href="class_qwt_spline_c1.html#a900ac5247f71ed344a46326c6064ec6b">QwtSplineC1::equidistantPolygon</a></div><div class="ttdeci">virtual QPolygonF equidistantPolygon(const QPolygonF &amp;, double distance, bool withNodes) const override</div><div class="ttdoc">Find an interpolated polygon with &quot;equidistant&quot; points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01167">qwt_spline.cpp:1167</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c1_html_a95bd3ff76fa0975f07b2351f4194e60e"><div class="ttname"><a href="class_qwt_spline_c1.html#a95bd3ff76fa0975f07b2351f4194e60e">QwtSplineC1::bezierControlLines</a></div><div class="ttdeci">virtual QVector&lt; QLineF &gt; bezierControlLines(const QPolygonF &amp;) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01101">qwt_spline.cpp:1101</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c1_html_a9fed720ae4d5d4e6ea6c8e3727587e5e"><div class="ttname"><a href="class_qwt_spline_c1.html#a9fed720ae4d5d4e6ea6c8e3727587e5e">QwtSplineC1::slopeAtEnd</a></div><div class="ttdeci">virtual double slopeAtEnd(const QPolygonF &amp;, double slopeBefore) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00997">qwt_spline.cpp:997</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c1_html_ae5e92c78b70b85393533c752ac3bd543"><div class="ttname"><a href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">QwtSplineC1::polynomials</a></div><div class="ttdeci">virtual QVector&lt; QwtSplinePolynomial &gt; polynomials(const QPolygonF &amp;) const</div><div class="ttdoc">Calculate the interpolating polynomials for a non parametric spline.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01201">qwt_spline.cpp:1201</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c2_html_a02387ad1232ab77881caf710edcc7eca"><div class="ttname"><a href="class_qwt_spline_c2.html#a02387ad1232ab77881caf710edcc7eca">QwtSplineC2::equidistantPolygon</a></div><div class="ttdeci">virtual QPolygonF equidistantPolygon(const QPolygonF &amp;, double distance, bool withNodes) const override</div><div class="ttdoc">Find an interpolated polygon with &quot;equidistant&quot; points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01295">qwt_spline.cpp:1295</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c2_html_a22d88546b8dff5b3f7efdef656d9f617"><div class="ttname"><a href="class_qwt_spline_c2.html#a22d88546b8dff5b3f7efdef656d9f617">QwtSplineC2::slopes</a></div><div class="ttdeci">virtual QVector&lt; double &gt; slopes(const QPolygonF &amp;) const override</div><div class="ttdoc">Find the first derivative at the control points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01339">qwt_spline.cpp:1339</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c2_html_a5157941fdf2d1328ba20724804877809"><div class="ttname"><a href="class_qwt_spline_c2.html#a5157941fdf2d1328ba20724804877809">QwtSplineC2::QwtSplineC2</a></div><div class="ttdeci">QwtSplineC2()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01228">qwt_spline.cpp:1228</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c2_html_aa909f7c297d01a8381d4a58ae6f847be"><div class="ttname"><a href="class_qwt_spline_c2.html#aa909f7c297d01a8381d4a58ae6f847be">QwtSplineC2::bezierControlLines</a></div><div class="ttdeci">virtual QVector&lt; QLineF &gt; bezierControlLines(const QPolygonF &amp;) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01270">qwt_spline.cpp:1270</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c2_html_ab7502fe760f6c98b46fe9bd9fc24813b"><div class="ttname"><a href="class_qwt_spline_c2.html#ab7502fe760f6c98b46fe9bd9fc24813b">QwtSplineC2::polynomials</a></div><div class="ttdeci">virtual QVector&lt; QwtSplinePolynomial &gt; polynomials(const QPolygonF &amp;) const override</div><div class="ttdoc">Calculate the interpolating polynomials for a non parametric spline.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01381">qwt_spline.cpp:1381</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c2_html_ad366da5e045494476e683534b8e28cea"><div class="ttname"><a href="class_qwt_spline_c2.html#ad366da5e045494476e683534b8e28cea">QwtSplineC2::~QwtSplineC2</a></div><div class="ttdeci">virtual ~QwtSplineC2()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01233">qwt_spline.cpp:1233</a></div></div>
<div class="ttc" id="aclass_qwt_spline_c2_html_aff09e99a775253f1c37546f5d3a82428"><div class="ttname"><a href="class_qwt_spline_c2.html#aff09e99a775253f1c37546f5d3a82428">QwtSplineC2::painterPath</a></div><div class="ttdeci">virtual QPainterPath painterPath(const QPolygonF &amp;) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01249">qwt_spline.cpp:1249</a></div></div>
<div class="ttc" id="aclass_qwt_spline_g1_html_a441218078365cb31416fd28501eefa2f"><div class="ttname"><a href="class_qwt_spline_g1.html#a441218078365cb31416fd28501eefa2f">QwtSplineG1::~QwtSplineG1</a></div><div class="ttdeci">virtual ~QwtSplineG1()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00949">qwt_spline.cpp:949</a></div></div>
<div class="ttc" id="aclass_qwt_spline_g1_html_aba43f62873a477b2733d4ced610d038d"><div class="ttname"><a href="class_qwt_spline_g1.html#aba43f62873a477b2733d4ced610d038d">QwtSplineG1::QwtSplineG1</a></div><div class="ttdeci">QwtSplineG1()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00944">qwt_spline.cpp:944</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html"><div class="ttname"><a href="class_qwt_spline.html">QwtSpline</a></div><div class="ttdoc">Base class for all splines.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00057">qwt_spline.h:58</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a21cca305dad4f1e21437953c4801595a"><div class="ttname"><a href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">QwtSpline::BoundaryPosition</a></div><div class="ttdeci">BoundaryPosition</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00099">qwt_spline.h:100</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024"><div class="ttname"><a href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a></div><div class="ttdeci">@ AtBeginning</div><div class="ttdoc">the condition is at the beginning of the polynomial</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00102">qwt_spline.h:102</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55"><div class="ttname"><a href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a></div><div class="ttdeci">@ AtEnd</div><div class="ttdoc">the condition is at the end of the polynomial</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00106">qwt_spline.h:105</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a34c5ddda039f15ec71de0523d9753b64"><div class="ttname"><a href="class_qwt_spline.html#a34c5ddda039f15ec71de0523d9753b64">QwtSpline::painterPath</a></div><div class="ttdeci">virtual QPainterPath painterPath(const QPolygonF &amp;) const =0</div></div>
<div class="ttc" id="aclass_qwt_spline_html_a3a51db25eb5f3e4716fe172ae3ca35ec"><div class="ttname"><a href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec">QwtSpline::boundaryValue</a></div><div class="ttdeci">double boundaryValue(BoundaryPosition) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00682">qwt_spline.cpp:682</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a48ddb960940cd1bd6d6707dd0ebb8785"><div class="ttname"><a href="class_qwt_spline.html#a48ddb960940cd1bd6d6707dd0ebb8785">QwtSpline::setBoundaryType</a></div><div class="ttdeci">void setBoundaryType(BoundaryType)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00617">qwt_spline.cpp:617</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a5d1e0ba35c637a88c66d9e4cbaf36e93"><div class="ttname"><a href="class_qwt_spline.html#a5d1e0ba35c637a88c66d9e4cbaf36e93">QwtSpline::QwtSpline</a></div><div class="ttdeci">QwtSpline()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00540">qwt_spline.cpp:540</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a6306d24451d24f16d30880b9114d3052"><div class="ttname"><a href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">QwtSpline::setBoundaryCondition</a></div><div class="ttdeci">void setBoundaryCondition(BoundaryPosition, int condition)</div><div class="ttdoc">Define the condition for an endpoint of the spline.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00639">qwt_spline.cpp:639</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a6aa6f2c0b844e6a27284aa474c6bca7b"><div class="ttname"><a href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">QwtSpline::parametrization</a></div><div class="ttdeci">const QwtSplineParametrization * parametrization() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00605">qwt_spline.cpp:605</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a77de5f694c70a7c0b34a02c04093fcee"><div class="ttname"><a href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee">QwtSpline::boundaryCondition</a></div><div class="ttdeci">int boundaryCondition(BoundaryPosition) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00651">qwt_spline.cpp:651</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a7f5f43e9e83fd23210ac528802c0496d"><div class="ttname"><a href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">QwtSpline::boundaryType</a></div><div class="ttdeci">BoundaryType boundaryType() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00626">qwt_spline.cpp:626</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a8530fa87bf65a42492014b50614d0595"><div class="ttname"><a href="class_qwt_spline.html#a8530fa87bf65a42492014b50614d0595">QwtSpline::locality</a></div><div class="ttdeci">virtual uint locality() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00564">qwt_spline.cpp:564</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a90805882826469c94fdc871f18261bb6"><div class="ttname"><a href="class_qwt_spline.html#a90805882826469c94fdc871f18261bb6">QwtSpline::~QwtSpline</a></div><div class="ttdeci">virtual ~QwtSpline()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00546">qwt_spline.cpp:546</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_aa2debc778d58c5f53ab757c87f8ac21d"><div class="ttname"><a href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">QwtSpline::polygon</a></div><div class="ttdeci">virtual QPolygonF polygon(const QPolygonF &amp;, double tolerance) const</div><div class="ttdoc">Interpolate a curve by a polygon.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00496">qwt_spline.cpp:496</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_aa890bace9e318d1bff4fb03ed7d6e9c3"><div class="ttname"><a href="class_qwt_spline.html#aa890bace9e318d1bff4fb03ed7d6e9c3">QwtSpline::setBoundaryConditions</a></div><div class="ttdeci">void setBoundaryConditions(int condition, double valueBegin=0.0, double valueEnd=0.0)</div><div class="ttdoc">Define the condition at the endpoints of a spline.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00700">qwt_spline.cpp:700</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_ac14c58e4301b85732c97a4daaf7a9b8b"><div class="ttname"><a href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">QwtSpline::setBoundaryValue</a></div><div class="ttdeci">void setBoundaryValue(BoundaryPosition, double value)</div><div class="ttdoc">Define the boundary value.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00670">qwt_spline.cpp:670</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_ad82b1f33946d2489511f5e697a32b128"><div class="ttname"><a href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">QwtSpline::BoundaryType</a></div><div class="ttdeci">BoundaryType</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00065">qwt_spline.h:66</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1"><div class="ttname"><a href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a></div><div class="ttdeci">@ ClosedPolygon</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00093">qwt_spline.h:92</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_ad82b1f33946d2489511f5e697a32b128af5bf38b7f712e69c699458cd6dfef711"><div class="ttname"><a href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128af5bf38b7f712e69c699458cd6dfef711">QwtSpline::ConditionalBoundaries</a></div><div class="ttdeci">@ ConditionalBoundaries</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00072">qwt_spline.h:72</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_af2195032fa62c2b9fe74dc4d44b636cba43442b0f55b141b857d6c2ab56cd9afe"><div class="ttname"><a href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba43442b0f55b141b857d6c2ab56cd9afe">QwtSpline::Clamped2</a></div><div class="ttdeci">@ Clamped2</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00134">qwt_spline.h:134</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_af2195032fa62c2b9fe74dc4d44b636cba6ad4241cc59f456d77eb70b289e5782a"><div class="ttname"><a href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba6ad4241cc59f456d77eb70b289e5782a">QwtSpline::LinearRunout</a></div><div class="ttdeci">@ LinearRunout</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00154">qwt_spline.h:153</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3"><div class="ttname"><a href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3">QwtSpline::Clamped3</a></div><div class="ttdeci">@ Clamped3</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00143">qwt_spline.h:143</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_af2195032fa62c2b9fe74dc4d44b636cba94d03f64008ad0ed1e2e92bd96414028"><div class="ttname"><a href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba94d03f64008ad0ed1e2e92bd96414028">QwtSpline::Clamped1</a></div><div class="ttdeci">@ Clamped1</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00125">qwt_spline.h:125</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_afb4959b1db04dd021b0a49752b66fac3"><div class="ttname"><a href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">QwtSpline::setParametrization</a></div><div class="ttdeci">void setParametrization(int type)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00576">qwt_spline.cpp:576</a></div></div>
<div class="ttc" id="aclass_qwt_spline_interpolating_html_a1a1e39267da1d9d0f8a1c670777163a4"><div class="ttname"><a href="class_qwt_spline_interpolating.html#a1a1e39267da1d9d0f8a1c670777163a4">QwtSplineInterpolating::~QwtSplineInterpolating</a></div><div class="ttdeci">virtual ~QwtSplineInterpolating()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00716">qwt_spline.cpp:716</a></div></div>
<div class="ttc" id="aclass_qwt_spline_interpolating_html_a5a01fc8e0cd91a84881befe1caeec8db"><div class="ttname"><a href="class_qwt_spline_interpolating.html#a5a01fc8e0cd91a84881befe1caeec8db">QwtSplineInterpolating::equidistantPolygon</a></div><div class="ttdeci">virtual QPolygonF equidistantPolygon(const QPolygonF &amp;, double distance, bool withNodes) const</div><div class="ttdoc">Find an interpolated polygon with &quot;equidistant&quot; points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00863">qwt_spline.cpp:863</a></div></div>
<div class="ttc" id="aclass_qwt_spline_interpolating_html_a8db950cb52e6f12e51cfcb31e3bccf75"><div class="ttname"><a href="class_qwt_spline_interpolating.html#a8db950cb52e6f12e51cfcb31e3bccf75">QwtSplineInterpolating::bezierControlLines</a></div><div class="ttdeci">virtual QVector&lt; QLineF &gt; bezierControlLines(const QPolygonF &amp;) const =0</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div></div>
<div class="ttc" id="aclass_qwt_spline_interpolating_html_a9f8a93111263da26788c4ae9034411d5"><div class="ttname"><a href="class_qwt_spline_interpolating.html#a9f8a93111263da26788c4ae9034411d5">QwtSplineInterpolating::QwtSplineInterpolating</a></div><div class="ttdeci">QwtSplineInterpolating()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00711">qwt_spline.cpp:711</a></div></div>
<div class="ttc" id="aclass_qwt_spline_interpolating_html_ab7ae76bbd1a085a267cdd54353ece2c2"><div class="ttname"><a href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">QwtSplineInterpolating::polygon</a></div><div class="ttdeci">virtual QPolygonF polygon(const QPolygonF &amp;, double tolerance) const override</div><div class="ttdoc">Interpolate a curve by a polygon.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00805">qwt_spline.cpp:805</a></div></div>
<div class="ttc" id="aclass_qwt_spline_interpolating_html_ae9eb4c8b6c5257a44f918c30d36860e4"><div class="ttname"><a href="class_qwt_spline_interpolating.html#ae9eb4c8b6c5257a44f918c30d36860e4">QwtSplineInterpolating::painterPath</a></div><div class="ttdeci">virtual QPainterPath painterPath(const QPolygonF &amp;) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00748">qwt_spline.cpp:748</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html"><div class="ttname"><a href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a></div><div class="ttdoc">Curve parametrization used for a spline interpolation.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00044">qwt_spline_parametrization.h:45</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_a02659178ea5377ec5e13d71858456200"><div class="ttname"><a href="class_qwt_spline_parametrization.html#a02659178ea5377ec5e13d71858456200">QwtSplineParametrization::valueIncrementChordal</a></div><div class="ttdeci">static double valueIncrementChordal(const QPointF &amp;, const QPointF &amp;)</div><div class="ttdoc">Calculate the ParameterChordal value increment for 2 points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00179">qwt_spline_parametrization.h:179</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_a141e850c0e8da729dada0870041c265b"><div class="ttname"><a href="class_qwt_spline_parametrization.html#a141e850c0e8da729dada0870041c265b">QwtSplineParametrization::valueIncrementCentripetal</a></div><div class="ttdeci">static double valueIncrementCentripetal(const QPointF &amp;, const QPointF &amp;)</div><div class="ttdoc">Calculate the ParameterCentripetal value increment for 2 points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00196">qwt_spline_parametrization.h:196</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_a4ec70cdb3d4c1b53628ef516e93390ec"><div class="ttname"><a href="class_qwt_spline_parametrization.html#a4ec70cdb3d4c1b53628ef516e93390ec">QwtSplineParametrization::valueIncrementUniform</a></div><div class="ttdeci">static double valueIncrementUniform(const QPointF &amp;, const QPointF &amp;)</div><div class="ttdoc">Calculate the ParameterUniform value increment.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00162">qwt_spline_parametrization.h:162</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_a5cd58cf9777799bec478ad524baa22f9"><div class="ttname"><a href="class_qwt_spline_parametrization.html#a5cd58cf9777799bec478ad524baa22f9">QwtSplineParametrization::valueIncrement</a></div><div class="ttdeci">virtual double valueIncrement(const QPointF &amp;, const QPointF &amp;) const</div><div class="ttdoc">Calculate the parameter value increment for 2 points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8cpp_source.html#l00035">qwt_spline_parametrization.cpp:35</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48da30edbcab5070b1f54d7e6d2486cb7ccf"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da30edbcab5070b1f54d7e6d2486cb7ccf">QwtSplineParametrization::ParameterY</a></div><div class="ttdeci">@ ParameterY</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00060">qwt_spline_parametrization.h:60</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48da3127bf721ca3be4e279f9478ea12270c"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3127bf721ca3be4e279f9478ea12270c">QwtSplineParametrization::ParameterCentripetal</a></div><div class="ttdeci">@ ParameterCentripetal</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00094">qwt_spline_parametrization.h:94</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a></div><div class="ttdeci">@ ParameterX</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00054">qwt_spline_parametrization.h:54</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478">QwtSplineParametrization::ParameterUniform</a></div><div class="ttdeci">@ ParameterUniform</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00072">qwt_spline_parametrization.h:72</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48daf328ec1c9518bc5aaa9f648731f77ffd"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daf328ec1c9518bc5aaa9f648731f77ffd">QwtSplineParametrization::ParameterChordal</a></div><div class="ttdeci">@ ParameterChordal</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00082">qwt_spline_parametrization.h:82</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_aacfc92b2d904b9644e1e0f4fc77fd7a2"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aacfc92b2d904b9644e1e0f4fc77fd7a2">QwtSplineParametrization::valueIncrementManhattan</a></div><div class="ttdeci">static double valueIncrementManhattan(const QPointF &amp;, const QPointF &amp;)</div><div class="ttdoc">Calculate the ParameterManhattan value increment for 2 points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00210">qwt_spline_parametrization.h:210</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_ab5014b377c1f5f945cd7062109728d41"><div class="ttname"><a href="class_qwt_spline_parametrization.html#ab5014b377c1f5f945cd7062109728d41">QwtSplineParametrization::valueIncrementY</a></div><div class="ttdeci">static double valueIncrementY(const QPointF &amp;, const QPointF &amp;)</div><div class="ttdoc">Calculate the ParameterY value increment for 2 points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00148">qwt_spline_parametrization.h:148</a></div></div>
<div class="ttc" id="aclass_qwt_spline_polynomial_html"><div class="ttname"><a href="class_qwt_spline_polynomial.html">QwtSplinePolynomial</a></div><div class="ttdoc">A cubic polynomial without constant term.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00030">qwt_spline_polynomial.h:31</a></div></div>
<div class="ttc" id="aclass_qwt_spline_polynomial_html_a136975ae7191fd91b5b9ef5297b36299"><div class="ttname"><a href="class_qwt_spline_polynomial.html#a136975ae7191fd91b5b9ef5297b36299">QwtSplinePolynomial::slopeAt</a></div><div class="ttdeci">double slopeAt(double x) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00119">qwt_spline_polynomial.h:119</a></div></div>
<div class="ttc" id="aclass_qwt_spline_polynomial_html_a2f7c84dbfe6354d771d15fa95934ea07"><div class="ttname"><a href="class_qwt_spline_polynomial.html#a2f7c84dbfe6354d771d15fa95934ea07">QwtSplinePolynomial::fromSlopes</a></div><div class="ttdeci">static QwtSplinePolynomial fromSlopes(const QPointF &amp;p1, double m1, const QPointF &amp;p2, double m2)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00147">qwt_spline_polynomial.h:147</a></div></div>
<div class="ttc" id="aclass_qwt_spline_polynomial_html_a31aa00624298eb0f7f0796d6d58ab38e"><div class="ttname"><a href="class_qwt_spline_polynomial.html#a31aa00624298eb0f7f0796d6d58ab38e">QwtSplinePolynomial::valueAt</a></div><div class="ttdeci">double valueAt(double x) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00108">qwt_spline_polynomial.h:108</a></div></div>
<div class="ttc" id="aclass_qwt_spline_polynomial_html_a88432efffb0b03c266f8673e0d58c36e"><div class="ttname"><a href="class_qwt_spline_polynomial.html#a88432efffb0b03c266f8673e0d58c36e">QwtSplinePolynomial::fromCurvatures</a></div><div class="ttdeci">static QwtSplinePolynomial fromCurvatures(const QPointF &amp;p1, double cv1, const QPointF &amp;p2, double cv2)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00185">qwt_spline_polynomial.h:185</a></div></div>
<div class="ttc" id="aclass_qwt_spline_polynomial_html_ab7a4dd72809be3e6648bafcf6871dd32"><div class="ttname"><a href="class_qwt_spline_polynomial.html#ab7a4dd72809be3e6648bafcf6871dd32">QwtSplinePolynomial::c1</a></div><div class="ttdeci">double c1</div><div class="ttdoc">coefficient of the linear summand</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00064">qwt_spline_polynomial.h:64</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
  <ul>
    <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><b>qwt_spline.cpp</b></li>
    <li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </li>
  </ul>
</div>
</body>
</html>
